Burke: Erythranthe lewisii vs. Erythranthe dentata

	Erythranthe lewisii	Erythranthe dentata
	great purple monkey-flower	coastal monkey-flower, tooth-leaved monkey-flower
Habit	Perennial from stout, branching rhizomes, the stout stems clustered, 3-10 dm. tall; herbage viscid-villous.	Perennial from well-developed, shallow rhizomes, the stems ascending or loosely erect, 1-4 dm. tall, the herbage with stiff, white hairs.
Leaves	Leaves opposite, sessile, with several prominent veins from the base, irregularly dentate to entire, the lower ones reduced; leaves lanceolate to ovate or elliptic, acute, 3-7 cm. long and 1-3.5 cm. wide.	Leaves opposite, serrate, pinnately veined, but the principle lateral veins arising below the middle; leaf blades lance-elliptic to ovate, acute, the lower short-petiolate, the upper sessile, 2-7 cm. long and 1-3.5 cm. wide.
Flowers	Flowers solitary in the leaf axils on pedicels 3-6 cm. long; calyx 1.5-2.5 cm. long, the 5 teeth sharp-pointed and equal; corolla showy, purplish-pink, marked with yellow, 3.5-5 cm. long, strongly bilabiate; stamens 4.	Flowers few, solitary in the leaf axils, on long pedicels; calyx 8-16 mm. long, 5-angled with spreading hairs along the ribs, the 5 teeth acute, 2-5 mm. long; corolla 2.5-4 cm. long, bilabiate, yellow, the long, strongly-flaring throat often red-dotted, the 5 well-developed lobes sometimes washed with reddish-purple; stamens 4.
Fruit	Capsule.	Capsule.

	Erythranthe lewisii	Erythranthe dentata
Flowering time	June-August	May-September
Habitat	Common in wet meadows and along rivers and streams from middle to high elevations in the mountains, occasionally found along low elevation rivers.	Stream banks and other moist places to wet places from the lowlands to middle elevations in the mountains.
Distribution	Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Montana, Wyoming and Colorado. [WildflowerSearch map]	Occurring west of the Cascades crest in Washington; southwestern British Columbia to northern California. [WildflowerSearch map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	E. alsinoides, E. ampliata, E. arvensis, E. breviflora, E. breweri, E. caespitosa, E. cardinalis, E. decora, E. dentata, E. floribunda, E. grandis, E. guttata, E. inflatula, E. jungermannioides, E. microphylla, E. moschata, E. nasuta, E. patula, E. primuloides, E. ptilota, E. pulsiferae, E. scouleri, E. suksdorfii, E. washingtonensis	E. alsinoides, E. ampliata, E. arvensis, E. breviflora, E. breweri, E. caespitosa, E. cardinalis, E. decora, E. floribunda, E. grandis, E. guttata, E. inflatula, E. jungermannioides, E. lewisii, E. microphylla, E. moschata, E. nasuta, E. patula, E. primuloides, E. ptilota, E. pulsiferae, E. scouleri, E. suksdorfii, E. washingtonensis
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Erythranthe lewisii

Erythranthe dentata

great purple monkey-flower

coastal monkey-flower, tooth-leaved monkey-flower

Habit

Perennial from stout, branching rhizomes, the stout stems clustered, 3-10 dm. tall; herbage viscid-villous.

Perennial from well-developed, shallow rhizomes, the stems ascending or loosely erect, 1-4 dm. tall, the herbage with stiff, white hairs.

Leaves

Leaves opposite, sessile, with several prominent veins from the base, irregularly dentate to entire, the lower ones reduced;

leaves lanceolate to ovate or elliptic, acute, 3-7 cm. long and 1-3.5 cm. wide.

Leaves opposite, serrate, pinnately veined, but the principle lateral veins arising below the middle;

leaf blades lance-elliptic to ovate, acute, the lower short-petiolate, the upper sessile, 2-7 cm. long and 1-3.5 cm. wide.

Flowers

Flowers solitary in the leaf axils on pedicels 3-6 cm. long;

calyx 1.5-2.5 cm. long, the 5 teeth sharp-pointed and equal;

corolla showy, purplish-pink, marked with yellow, 3.5-5 cm. long, strongly bilabiate;

stamens 4.

Flowers few, solitary in the leaf axils, on long pedicels;

calyx 8-16 mm. long, 5-angled with spreading hairs along the ribs, the 5 teeth acute, 2-5 mm. long;

corolla 2.5-4 cm. long, bilabiate, yellow, the long, strongly-flaring throat often red-dotted, the 5 well-developed lobes sometimes washed with reddish-purple;

stamens 4.

Fruit

Capsule.